LU-13802 llite: tag switched hybrid IOs

LU-13802 llite: tag switched hybrid IOs

If we switched IO type with hybrid IO, tag the IO in the
cl_io.  This will be used to make various choices later.

Also add a more verbose debug message for DIO, printing
various aspects of the IO.

Test-Parameters: trivial
Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I347ef059eadcd9fd3767d7defc2e3da0eeb5573b
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/52703
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>